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Finding the Fourth Proportional to 153,396.72, 230,150.45 and 53,571.64

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Solution

The fourth proportional to 153,396.72, 230,150.45 and 53,571.64 is: 80,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,396.72 : 230,150.45 = 53,571.64 : x
  2. Step 2: Convert to fraction form
    153,396.72/230,150.45 = 53,571.64/x
  3. Step 3: Cross multiply
    153,396.72x = 230,150.45 × 53,571.64
  4. Step 4: Simplify right side
    153,396.72x = 12,329,537,053.24
  5. Step 5: Solve for x
    x = 12,329,537,053.24/153,396.72
  6. Step 6: Final answer
    x = 80,376.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.